Prognostic significance of the combined expression of matrix metalloproteinase-9, urokinase type plasminogen activator and its receptor in breast cancer as measured by Northern blot analysis - Pacheco, M. M.; Nishimoto, I. N.; Mourao Neto, M.; Mantovani, E. B.; Brentani, Maria Mitzi (The International Journal of Biological Markers, 2001)